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			14 lines
		
	
	
		
			261 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			14 lines
		
	
	
		
			261 B
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package file
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								import "github.com/miekg/dns"
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								// replaceWithWildcard replaces the left most label with '*'.
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								func replaceWithAsteriskLabel(qname string) (wildcard string) {
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									i, shot := dns.NextLabel(qname, 0)
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									if shot {
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										return ""
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									}
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									return "*." + qname[i:]
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								}
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